Imax

AC Overcurrent

SMA · SUNNY BOY 5000US-8000US Solar Inverter

What does Imax mean?

The current being fed to the AC grid by the Sunny Boy SB50US-80US-IUS094030 exceeds the specified maximum limit. This condition may be triggered by harmful interference or abnormal load conditions on the grid.

Common Causes

  • AC grid current exceeding the inverter's specification.
  • Harmful interference on the AC grid.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the connected AC grid for conditions that may lead to overcurrent.

Browse all codes in this manual (23)
Verified technical data. Last updated: March 2026

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Source: SMA SUNNY BOY 5000US-8000US Solar Inverter